90210’s 100th Episode: Then & Now Pics From Season 1

Before you watch tonight’s 100th episode, browse pics from the past & tell us who you think has changed the most!

90210is celebrating its 100th episode Dec. 3, and in honor of The CW soap’s major milestone, HollywoodLife.com is flashing back to season one for a look at our favorite west-coast troublemakers — including Shenae Grimes, AnnaLynne McCordand Matt Lanter— as high-school babies. My, my, my… where did the time go?

So, who do you think had the most dramatic transformation over the past five seasons? Vote below, then drop a comment with your thoughts on this momentous holiday.